288652643 has 4 divisors (see below), whose sum is σ = 288885000. Its totient is φ = 288420288.

The previous prime is 288652621. The next prime is 288652711. The reversal of 288652643 is 346256882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 288652643 - 2²⁰ = 287604067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288652594 and 288652603.

It is not an unprimeable number, because it can be changed into a prime (288652613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114305 + ... + 116802.

It is an arithmetic number, because the mean of its divisors is an integer number (72221250).

Almost surely, 2^288652643 is an apocalyptic number.

288652643 is a deficient number, since it is larger than the sum of its proper divisors (232357).

288652643 is a wasteful number, since it uses less digits than its factorization.

288652643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232356.

The product of its digits is 552960, while the sum is 44.

The square root of 288652643 is about 16989.7805459635. The cubic root of 288652643 is about 660.8839113383.

The spelling of 288652643 in words is "two hundred eighty-eight million, six hundred fifty-two thousand, six hundred forty-three".